EP4023776A4 - HEAT RESISTANT AUSTENITIC STEEL - Google Patents
HEAT RESISTANT AUSTENITIC STEEL Download PDFInfo
- Publication number
- EP4023776A4 EP4023776A4 EP20856550.7A EP20856550A EP4023776A4 EP 4023776 A4 EP4023776 A4 EP 4023776A4 EP 20856550 A EP20856550 A EP 20856550A EP 4023776 A4 EP4023776 A4 EP 4023776A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- resistant steel
- austenitic heat
- austenitic
- heat
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/007—Heat treatment of ferrous alloys containing Co
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019156592 | 2019-08-29 | ||
PCT/JP2020/029240 WO2021039266A1 (ja) | 2019-08-29 | 2020-07-30 | オーステナイト系耐熱鋼 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4023776A1 EP4023776A1 (en) | 2022-07-06 |
EP4023776A4 true EP4023776A4 (en) | 2022-08-31 |
Family
ID=74683820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20856550.7A Pending EP4023776A4 (en) | 2019-08-29 | 2020-07-30 | HEAT RESISTANT AUSTENITIC STEEL |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220325394A1 (ko) |
EP (1) | EP4023776A4 (ko) |
JP (1) | JP7265203B2 (ko) |
KR (1) | KR20220034226A (ko) |
CN (1) | CN114341381A (ko) |
WO (1) | WO2021039266A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7368722B2 (ja) * | 2019-12-19 | 2023-10-25 | 日本製鉄株式会社 | オーステナイト系耐熱鋼溶接金属、溶接継手、およびオーステナイト系耐熱鋼用溶接材料 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6485679B1 (en) * | 1999-02-16 | 2002-11-26 | Sandvik Ab | Heat resistant austenitic stainless steel |
JP2009084606A (ja) * | 2007-09-28 | 2009-04-23 | Sumitomo Metal Ind Ltd | 長期使用後の加工性に優れた高温用オーステナイト系ステンレス鋼 |
CN104195460A (zh) * | 2014-09-02 | 2014-12-10 | 江苏武进不锈股份有限公司 | 奥氏体耐热钢 |
JP2017014576A (ja) * | 2015-07-01 | 2017-01-19 | 新日鐵住金株式会社 | オーステナイト系耐熱合金及び溶接構造物 |
CN106702259A (zh) * | 2016-11-29 | 2017-05-24 | 山西太钢不锈钢股份有限公司 | 含钨奥氏体不锈钢无缝管的制造方法 |
US20180142334A1 (en) * | 2015-06-15 | 2018-05-24 | Nippon Steel & Sumitomo Metal Corporation | HIGH Cr-BASED AUSTENITIC STAINLESS STEEL |
US20180216215A1 (en) * | 2015-07-01 | 2018-08-02 | Nippon Steel & Sumitomo Metal Corporation | Austenitic heat-resistant alloy and welded structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4424471B2 (ja) | 2003-01-29 | 2010-03-03 | 住友金属工業株式会社 | オーステナイト系ステンレス鋼およびその製造方法 |
WO2009044796A1 (ja) | 2007-10-03 | 2009-04-09 | Sumitomo Metal Industries, Ltd. | オーステナイト系ステンレス鋼 |
EP3401415A4 (en) * | 2016-01-05 | 2019-08-07 | Nippon Steel Corporation | HEAT-RESISTANT AUSTENITIC ALLOY AND METHOD FOR MANUFACTURING THE SAME |
JP6753136B2 (ja) * | 2016-05-09 | 2020-09-09 | 日本製鉄株式会社 | オーステナイト系耐熱鋼溶接金属およびそれを有する溶接継手 |
JP6852702B2 (ja) | 2018-03-14 | 2021-03-31 | Jfeスチール株式会社 | 保管材の保護用シートの巻取り装置および巻取り方法 |
-
2020
- 2020-07-30 EP EP20856550.7A patent/EP4023776A4/en active Pending
- 2020-07-30 CN CN202080060833.0A patent/CN114341381A/zh active Pending
- 2020-07-30 US US17/635,312 patent/US20220325394A1/en active Pending
- 2020-07-30 KR KR1020227005208A patent/KR20220034226A/ko active IP Right Grant
- 2020-07-30 WO PCT/JP2020/029240 patent/WO2021039266A1/ja unknown
- 2020-07-30 JP JP2021542661A patent/JP7265203B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6485679B1 (en) * | 1999-02-16 | 2002-11-26 | Sandvik Ab | Heat resistant austenitic stainless steel |
JP2009084606A (ja) * | 2007-09-28 | 2009-04-23 | Sumitomo Metal Ind Ltd | 長期使用後の加工性に優れた高温用オーステナイト系ステンレス鋼 |
CN104195460A (zh) * | 2014-09-02 | 2014-12-10 | 江苏武进不锈股份有限公司 | 奥氏体耐热钢 |
US20180142334A1 (en) * | 2015-06-15 | 2018-05-24 | Nippon Steel & Sumitomo Metal Corporation | HIGH Cr-BASED AUSTENITIC STAINLESS STEEL |
JP2017014576A (ja) * | 2015-07-01 | 2017-01-19 | 新日鐵住金株式会社 | オーステナイト系耐熱合金及び溶接構造物 |
US20180216215A1 (en) * | 2015-07-01 | 2018-08-02 | Nippon Steel & Sumitomo Metal Corporation | Austenitic heat-resistant alloy and welded structure |
CN106702259A (zh) * | 2016-11-29 | 2017-05-24 | 山西太钢不锈钢股份有限公司 | 含钨奥氏体不锈钢无缝管的制造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2021039266A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2021039266A1 (ja) | 2021-03-04 |
CN114341381A (zh) | 2022-04-12 |
JP7265203B2 (ja) | 2023-04-26 |
KR20220034226A (ko) | 2022-03-17 |
EP4023776A1 (en) | 2022-07-06 |
WO2021039266A9 (ja) | 2022-01-06 |
US20220325394A1 (en) | 2022-10-13 |
JPWO2021039266A1 (ko) | 2021-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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17P | Request for examination filed |
Effective date: 20220201 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20220802 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 6/00 20060101ALI20220727BHEP Ipc: C21D 8/02 20060101ALI20220727BHEP Ipc: C21D 9/46 20060101ALI20220727BHEP Ipc: C22C 38/50 20060101ALI20220727BHEP Ipc: C22C 38/46 20060101ALI20220727BHEP Ipc: C22C 38/06 20060101ALI20220727BHEP Ipc: C22C 38/04 20060101ALI20220727BHEP Ipc: C22C 38/02 20060101ALI20220727BHEP Ipc: C22C 38/00 20060101ALI20220727BHEP Ipc: C22C 38/54 20060101ALI20220727BHEP Ipc: C22C 38/48 20060101ALI20220727BHEP Ipc: C22C 38/44 20060101ALI20220727BHEP Ipc: C22C 38/52 20060101ALI20220727BHEP Ipc: C22C 38/42 20060101AFI20220727BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) |